<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录成功</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f0f8ff;
        }
        .success-container {
            text-align: center;
            padding: 20px;
            border: 2px solid #4caf50;
            border-radius: 10px;
            background-color: #dff0d8;
        }
        .success-message {
            font-size: 24px;
            color: #4caf50;
        }
        .return-link {
            display: block;
            margin-top: 20px;
            font-size: 18px;
            color: #007bff;
            text-decoration: none;
        }
        .return-link:hover {
            text-decoration: underline;
        }
    </style>
</head>
<body>
    <div class="success-container">
        <div class="success-message">登录成功！</div>
        <a href="/homepage.html" class="return-link">返回首页</a>
    </div>
</body>
</html>